
@article{hancke2011practical,
  title={Practical eavesdropping and skimming attacks on high-frequency RFID tokens},
  author={Hancke, Gerhard P},
  journal={Journal of Computer Security},
  volume={19},
  number={2},
  pages={259--288},
  year={2011},
  publisher={IOS Press}
}
@online{MagneticFieldArea 
	author={SunHee Kim, YunJae Won, YongSeok Lim, KyeungHak Seo, SeungOk Lim},
	title={Design of Physical Layer
	for Magnetic Field Area
	Network },
	organization={Korea Electronics Technology Institute},
	url={http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5405677},
	urldate={}
}
@book{0750675470,
  Author = {Steve Winder},
  Title = {Analog and Digital Filter Design, Second Edition (EDN Series for Design Engineers)},
  Publisher = {Newnes},
  Year = {2002},
  ISBN = {0750675470},
  URL = {http://www.amazon.com/Analog-Digital-Filter-Edition-Engineers/dp/0750675470%3FSubscriptionId%3D0JYN1NVW651KCA56C102%26tag%3Dtechkie-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3D0750675470}
}